You won't want to miss out on the world-class speakers at TNW Conference this year 🎟 Book your 2 for 1 tickets now! This offer ends on April 22 → Facebook revealed in its second-quarter earnings today that it has 399 million mobile-only monthly active users (MAUs). That’s about 30 percent of its active user base of 1.3 billion. More than a billion users sign onto Facebook from a mobile device in